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The Goodman/Amana 20201901 Condensate Drain Hose Tube is a factory OEM drainage component engineered for the AMH950904CXAD 96% AFUE gas furnace. This heavier-gauge drain tube carries corrosive condensate from the furnace's collector box and pressure switch assembly to the main drain trap, protecting internal components from moisture damage and maintaining proper pressure-switch operation.
OEM vs. Generic: The 20201901 is dimensioned to the furnace's exact port geometry, so it seats securely without kinking or slipping under thermal cycling. Generic hose can collapse, kink at bends, or fit loosely on OEM barbs — leading to condensate backups that trip the pressure switch and shut the furnace down. The genuine OEM part preserves factory drainage performance and equipment warranty coverage.
Installation Difficulty: Easy (1/5). Most homeowners and technicians complete this swap in 15–20 minutes. Shut off furnace power, detach the worn hose from both fittings, inspect the trap for sludge, and install the replacement. Confirm the pressure switch resets and the drain flows freely before returning the unit to service.